6-Speed Automatic, 4WD, Cloth. !! Our ASE Certified Mechanics have completed a 169 point inspection to ensure you receive a quality vehicle. !! This 1/2 ton pickup can run on either gasoline or E85 fuel. Anti-lock brakes are standard on the Silverado. This unit has an aux input for mp3 players. A full size spare is included. With the keyless entry system on the vehicle you can pop the trunk without dropping your bags from the store. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this 1/2 ton pickup. Anywhere on the planet, you will have hundreds of digital stations to choose from.